| Customization: | Available |
|---|---|
| After-sales Service: | Quality |
| Warranty: | 12months |
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This kind of product includes: GPZ(II), GPZ (2009), GCPZ & JPZ series pot bearing for highway bridges, and TPZB(X) series pot bearings for railway bridges. Products comply with JT/T 391 -2009 pot bearings for highway bridges and TB/T 2331-2013 pot bearings for railway bridges.
Features:
1> With low-profile yet high loading capability over 50,000 KN.
2> Maximized shearing strength of elastomer pad through encasing its steel pot.
3> Allow for large rotations ranging from 0 to 0.03 rad.
4> Low friction coefficient between 1% and 3%.
5> Excellent fatigue, impact and aging resistance of the layer of PTFE.
6>All the metallic parts are protected against corrosion by galvanization and epoxy painting according to EN 1337-9 (other protective coatings are available as your requirements).
7> Easy to maintain and replace the worn out and broken part. Easy and quick to install.
8> Complying with BS EN-1337, KS4424, AASHO, ISO or other custom standards.
Applications:
1> Incrementally launched bridges.
2> Curved or skewed bridges.
3> Structures with rotations in various directions.
4> Structures using the incremental launching methods.
5> Highways and railways, etc.
GPZ series pot bearings movement
| Reactive force of bearing |
The Maximum Displacement Transverse Direction (mm) | ||
| FIXED | SLIDING | FREE | |
| 1000-3000 | 0 | 0 | ±5; ±10 |
| 3500-9000 | 0 | 0 | ±10; ±15 |
| 10000-30000 | 0 | 0 | ±5;±20 |
| 32500-50000 | 0 | 0 | ±20;±25 |
Reactive force of bearing |
The Maximum Displacement Longitudinal Direction (mm) | ||
| FIXED | SLIDING | FREE | |
| 1000-3000 | 0 | ±50;±100 | ±50;±100 |
| 3500-9000 | 0 | ±100;±150 | ±100;±150 |
| 10000-30000 | 0 | ±150;±200 | ±150;±200 |
| 32500-50000 | 0 | ±200;±250 | ±200;±250 |
Properties
| Materials Item |
Neoprene Rubber | Natural Rubber | EPDM Rubber | |
| Hardness (IRHD) | 60±5 | 60±5 | 60±5 | |
| Tensile Strength (Mpa) | >=17 | >=17.5 | >=15.5 | |
| Elongation at break (%) | >= 400 | >= 400 | >= 350 | |
| Brittleness temperature (ºC) | <=-40 | <=-50 | <=-60 | |
| Compression set constant (Room temperature ×24h) | <=20 | <=25 | <=25 | |
| Resistant Ozone aging (25~ 50pphm) 20% Elongation 40ºC×96h |
No cracks | No cracks | No cracks | |
| Hot air aging Reduction Rate (Compared with previous unaged value occurred biggest change) | Testing temperature (ºC×h) | 100ºC×70h | 70ºC×168h | 100ºC×70h |
| Tensile Strength (%) | <15 | <15 | <15 | |
| Elongation at break (%) | <40 | <20 | <40 | |
| Hardness change(IRHD) | < +15 | < +10 | < +10 | |
Hengshui Jingtong Rubber Co., Ltd. is a professional manufacturer of rubber products which are used in road and bridge, tunnel, water conservancy, electric power, railway, etc.
1. Hengshui Jingtong Engineering Rubber Co.,Ltd. is located in Hengshui City development Zone, covering an area of 98000 square meters, construction area of 45000 square meters, with more than 20 professional senior technical personnel.
2. There are 10 series, over 200 species and more than 2,000 specifications. Our main series include rubber water-stop series, rubber pipe plugs, and bridge rubber bearing series, etc.
3. Our engineering rubber products include: rubber waterproof stops, plate type bridge rubber bearings, pot type bridge rubber pneumatic molds/Gasbag inner molds, bridge expansion joints, rubber pipe bulges, etc.
All products have been authenticated by the Ministry of Communications, the Ministry of Railway and the Ministry of Water Conservancy, and have been authenticated with International Quality System Certificate.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Hengshui Jingtong Engineering Rubber, your best choice!
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